Electricity and Circuits: Complex Circuits - 无忧得胜-网上国际课程 (5edu.win)

?作业考试练习?美国物理杯赛(Physics Bowl)?Electricity and Circuits: Complex Circuits

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习题练习：Electricity and Circuits: Complex Circuits

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答题人: 游客未登录开始时间: 24年08月22日 11:37 切换到: 整卷模式

1#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

94.28: Four identical lightbulbsj z7 hx)hn21t55mj pemdd* jd( K, L, M, and N are connected in the electrical cir en x2dj 7j* 5p1)j5dtmdzh(hmcuit shown in the accompanying figure. In order of decreasing brightness (starting with the brightest), the bulbs are:

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2#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

98.27: Four identical lightbulo v/1xzfend;;bs K, L, M, and N are connected in the electrical circuit snz1;xef v/ ;dohown in the accompanying diagram. Rank the current through the bulbs.

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3#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

96.37: Four identical lightbulbs K, L, M, and N are connected in theicgfk.qq4owpii:.6 ,io * jq os0:2eb electrical circuit shown in the aibo o:o:s.k0, qegiiiqqwc42p .j *f6 ccompanying figure. Bulb M burns out. Which of the following statements is true?

A. All the lightbulbs go out.

B. Only bulb M goes out.

C. Bulb N goes out but at least one other bulb remains lit.

D. The brightness of bulb N remains the same.

E. Bulb N becomes dimmer but does not go out.

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4#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

95.32: Four identical lightbulbs K, L, M, and N are connect3et ct.6 a)9,9q6zxqyb .w+jrb+luv sqj.h ajed in the electrical cqe9 aalj wj6xjtb v.th.9,)sqrbuy +3c6z+q.ircuit shown in the accompanying figure. Bulb K burns out. Which of the following statements is true?

A. All the lightbulbs go out.

B. Only bulb N goes out.

C. Bulb N becomes brighter.

D. The brightness of bulb N remains the same.

E. Bulb N becomes dimmer but does not go out.

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5#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

01.21: Five identical light bulbs each, with a resistance of 10 ohms, are connda qneb2fp+(*k u4, pxected in a simple electrical ci4ba(2eqdx* n ,ufpkp +rcuit with a switch and a 10 volt battery as shown in the diagram below.
The steady current in the above circuit would be closest to which of the following values?

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6#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

01.22: Five identical light bulbs each, with a resfclnxszhev3; e:g38 vk8w7 4mistance of 10 ohms, are connected in a simplsv7 3kcz4 mx8wenh3f8vl:e; ge electrical circuit with a switch and a 10 volt battery as shown in the diagram below.
Which bulb (or bulbs) could burnout without causing other bulbs in the circuit to also go out?

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7#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

04.39: The circuit shown has an ideal ammeter with zero resistance and r;wn5sf/5;3ay + guszxi g1fin h.bs) four identical resistance ;bunfsz;+ i 3asgng 1w)5.5sx fih yr/light bulbs which are initially illuminated. A person removes the bulb R4 from its socket thereby permanently breaking the electrical circuit at that point. Which statement is true of the circuit after removing the bulb?

A. The voltage from B → C increases.

B. The power supplied by the battery increases

C. The voltage across R1 increases.

D. The ammeter reading is unchanged.

E. The bulb R2 maintains the same brightness.

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8#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

05.37: For the circuit shown, a shorting wire of negligible resistance is added r b18dnd*t sa,-p2gh1o ih8v wto the circuit between points A and B. When this shorting wpgah11v- 8o bti8n2sd d*r,hwire is added, bulb #3 goes out. Which bulbs (all identical) in the circuit brighten?

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9#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

09.26: For the circuit shown, whenb ,kpo- 9r:u4fmck+k i a shorting wire (no resistance) connects the points labeled A and B, which of the numbered lightbulbs become brighter? Assume that all four bulbs akcm i fuko,4+r -9kb:pre identical and have resistance R.

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10#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

03.35: A circuit is connected as shown. All lightupm 3 gb*7a+qm7zqgr-bulbs are identical. When the switch in the circuit is closed illuminating*zmm 7g3ra-bqp+uq7 g bulb #4, which other bulb(s) also become brighter?

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11#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

13.38: Five identical light bulbs are connected into a circuit asc(os(v0w-t -+zw bipajri9k4 shown. All wires are ideal wicpb-t0+wir-(j i wz9( avo4k sth no resistance, and the ideal battery has emf ξ . When the switch S in the circuit is closed, aside from bulb #5, which of the other bulbs brighten?

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12#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

15.10: For the circuit shown, the t0ljazw sal7 qoj(a k0.itc s8 l xjk-4u6t;l0+hree light bulbs have identical resistance, the battery is ideal, and all wires have no resistance .ix0(-tkl+s8lls0 ltaz ac a6oj;0ju wk7 j4q. Which one of the following choices correctly identifies the light bulbs that either become dimmer or go out completely when the switch, S, in the circuit is closed?

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13#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

15.39: For the circuit shown, the four lightbulbs have identical resistance,theyvg ,3i 2lz:9wamx4so battery is ideal and all wiz3o,xim sgy4vl 9wa2 :res have no resistance. After the switch, S, in the circuit is closed, which one of the following choices correctly describes what happens to the magnitude of the current at the point labeled P and to the magnitude of the potential difference from Wto X?

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14#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

16.31: The circuit shown has 4 identical light bulbs connected to an idealxi.wq/ qu1*d3k;*s/;u(m ,5zphq gzo f pcptj battery. If bulb #2 were removed leaving an open circuit there, what happens to the volt * sd(z cqfh3,mjqt/qo/u;up;kp. i *w15zxgpage across both bulb #1 and from Q to X?

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15#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

07.30: In the following cirthmtkg3/6 +xm 1xu7encuit diagram, which one of the bulbs will not light? t g7+xth me/kxm3u1n6

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16#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

07.33: For the circuit shown, the a-6 l ay9xapvm.mmeter reading is initially I. The switch in the circuit then is clvxm 9a6.alyp-osed. Consequently:

A. The ammeter reading decreases.

B. The potential difference between E and F increases.

C. The potential difference between E and F stays the same.

D. Bulb #3 lights up more brightly.

E. The power supplied by the battery decreases.

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17#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

11.38: For the circuit shown, the four light bulbs have id7x 0rlaha0m2c sv hk5ed0n8i1entical resistance, all wires have zero resistance, and the battery is assumed to be idcmh ivl020rnek1xa 8h570d saeal with emf ξ . When the switch, S, in the circuit is closed, a wire of zero resistance is added into the circuit. Which of the light bulbs will be dimmer after the switch is closed?

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18#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

14.22: For the circuit shown, all three lightbulbs h7ew/ t9. wplwaave the same resistance. The battery and wires have/97wwlwp .a te no resistance. What is the proper ranking of the bulbs’ brightness?

A. $Bulb 1 = Bulb 2 = Bulb 3$

B. $Bulb 3 < Bulb 2 = Bulb 1$

C. $Bulb 2 < Bulb 1 < Bulb 3$

D. $Bulb 1 = Bulb 2 < Bulb 3$

E. $Bulb 1 = Bulb 3 < Bulb 2$

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总分:18分及格:10.8分时间:不限时

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